diff options
Diffstat (limited to 'sys/arm')
-rw-r--r-- | sys/arm/arm/pmap-v6.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/arm/arm/pmap-v6.c b/sys/arm/arm/pmap-v6.c index b2be785..3df1c8a 100644 --- a/sys/arm/arm/pmap-v6.c +++ b/sys/arm/arm/pmap-v6.c @@ -172,6 +172,7 @@ __FBSDID("$FreeBSD$"); #include <vm/vm_map.h> #include <vm/vm_page.h> #include <vm/vm_pageout.h> +#include <vm/vm_phys.h> #include <vm/vm_extern.h> #include <vm/vm_reserv.h> @@ -1342,9 +1343,10 @@ pmap_init(void) /* * Calculate the size of the pv head table for superpages. + * Handle the possibility that "vm_phys_segs[...].end" is zero. */ - for (i = 0; phys_avail[i + 1]; i += 2); - pv_npg = round_1mpage(phys_avail[(i - 2) + 1]) / NBPDR; + pv_npg = trunc_1mpage(vm_phys_segs[vm_phys_nsegs - 1].end - + PAGE_SIZE) / NBPDR + 1; /* * Allocate memory for the pv head table for superpages. |